Home / 67,737.10-101,556.42-28,305.50

Finding the Fourth Proportional to 67,737.10, 101,556.42 and 28,305.50

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Solution

The fourth proportional to 67,737.10, 101,556.42 and 28,305.50 is: 42,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,737.10 : 101,556.42 = 28,305.50 : x
  2. Step 2: Convert to fraction form
    67,737.10/101,556.42 = 28,305.50/x
  3. Step 3: Cross multiply
    67,737.10x = 101,556.42 × 28,305.50
  4. Step 4: Simplify right side
    67,737.10x = 2,874,605,246.31
  5. Step 5: Solve for x
    x = 2,874,605,246.31/67,737.10
  6. Step 6: Final answer
    x = 42,437.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.